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<div class="title">channel_v2.h</div>  </div>
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<div class="fragment"><div class="line"><a name="l00001"></a><span class="lineno">    1</span>&#160;<span class="preprocessor">#pragma once</span></div>
<div class="line"><a name="l00002"></a><span class="lineno">    2</span>&#160; </div>
<div class="line"><a name="l00003"></a><span class="lineno">    3</span>&#160;<span class="keyword">namespace </span>resumef</div>
<div class="line"><a name="l00004"></a><span class="lineno">    4</span>&#160;{</div>
<div class="line"><a name="l00005"></a><span class="lineno">    5</span>&#160;<span class="preprocessor">#ifndef DOXYGEN_SKIP_PROPERTY</span></div>
<div class="line"><a name="l00006"></a><span class="lineno">    6</span>&#160;<span class="keyword">namespace </span>detail</div>
<div class="line"><a name="l00007"></a><span class="lineno">    7</span>&#160;{</div>
<div class="line"><a name="l00008"></a><span class="lineno">    8</span>&#160;    <span class="keyword">template</span>&lt;<span class="keyword">class</span> _Ty, <span class="keywordtype">bool</span> _Optional&gt;</div>
<div class="line"><a name="l00009"></a><span class="lineno">    9</span>&#160;    <span class="keyword">struct </span>channel_impl_v2;</div>
<div class="line"><a name="l00010"></a><span class="lineno">   10</span>&#160;}   <span class="comment">//namespace detail</span></div>
<div class="line"><a name="l00011"></a><span class="lineno">   11</span>&#160; </div>
<div class="line"><a name="l00012"></a><span class="lineno">   12</span>&#160;<span class="keyword">inline</span> <span class="keyword">namespace </span>channel_v2</div>
<div class="line"><a name="l00013"></a><span class="lineno">   13</span>&#160;{</div>
<div class="line"><a name="l00014"></a><span class="lineno">   14</span>&#160;<span class="preprocessor">#endif  //DOXYGEN_SKIP_PROPERTY</span></div>
<div class="line"><a name="l00015"></a><span class="lineno">   15</span>&#160; </div>
<div class="line"><a name="l00024"></a><span class="lineno">   24</span>&#160;    <span class="keyword">template</span>&lt;<span class="keyword">class</span> _Ty = <span class="keywordtype">bool</span>, <span class="keywordtype">bool</span> _Optional = !std::is_trivial_v&lt;_Ty&gt;, <span class="keywordtype">bool</span> _OptimizationThread = false&gt;</div>
<div class="line"><a name="l00025"></a><span class="lineno"><a class="line" href="structresumef_1_1channel__t.html">   25</a></span>&#160;    <span class="keyword">struct </span><a class="code" href="structresumef_1_1channel__t.html">channel_t</a></div>
<div class="line"><a name="l00026"></a><span class="lineno">   26</span>&#160;    {</div>
<div class="line"><a name="l00027"></a><span class="lineno">   27</span>&#160;        static_assert((std::is_copy_constructible_v&lt;_Ty&gt;&amp;&amp; std::is_copy_assignable_v&lt;_Ty&gt;) ||</div>
<div class="line"><a name="l00028"></a><span class="lineno">   28</span>&#160;            (std::is_move_constructible_v&lt;_Ty&gt; &amp;&amp; std::is_move_assignable_v&lt;_Ty&gt;));</div>
<div class="line"><a name="l00029"></a><span class="lineno">   29</span>&#160; </div>
<div class="line"><a name="l00030"></a><span class="lineno">   30</span>&#160;        <span class="keyword">struct </span>[[nodiscard]] read_awaiter;</div>
<div class="line"><a name="l00031"></a><span class="lineno">   31</span>&#160;        <span class="keyword">struct </span>[[nodiscard]] write_awaiter;</div>
<div class="line"><a name="l00032"></a><span class="lineno">   32</span>&#160; </div>
<div class="line"><a name="l00037"></a><span class="lineno">   37</span>&#160;        <a class="code" href="structresumef_1_1channel__t.html">channel_t</a>(<span class="keywordtype">size_t</span> cache_size = 1);</div>
<div class="line"><a name="l00038"></a><span class="lineno">   38</span>&#160; </div>
<div class="line"><a name="l00042"></a><span class="lineno">   42</span>&#160;        <span class="keywordtype">size_t</span> capacity() <span class="keyword">const</span> noexcept;</div>
<div class="line"><a name="l00043"></a><span class="lineno">   43</span>&#160; </div>
<div class="line"><a name="l00049"></a><span class="lineno">   49</span>&#160;        read_awaiter <span class="keyword">operator</span> co_await() <span class="keyword">const</span> noexcept;</div>
<div class="line"><a name="l00050"></a><span class="lineno">   50</span>&#160; </div>
<div class="line"><a name="l00059"></a><span class="lineno">   59</span>&#160;        read_awaiter read() <span class="keyword">const</span> noexcept;</div>
<div class="line"><a name="l00060"></a><span class="lineno">   60</span>&#160; </div>
<div class="line"><a name="l00065"></a><span class="lineno">   65</span>&#160;        <span class="keyword">template</span>&lt;<span class="keyword">class </span>U</div>
<div class="line"><a name="l00066"></a><span class="lineno">   66</span>&#160;<span class="preprocessor">#ifndef DOXYGEN_SKIP_PROPERTY</span></div>
<div class="line"><a name="l00067"></a><span class="lineno">   67</span>&#160;            COMMA_RESUMEF_ENABLE_IF(std::is_constructible_v&lt;_Ty, U&amp;&amp;&gt;)</div>
<div class="line"><a name="l00068"></a><span class="lineno">   68</span>&#160;<span class="preprocessor">#endif  //DOXYGEN_SKIP_PROPERTY</span></div>
<div class="line"><a name="l00069"></a><span class="lineno">   69</span>&#160;        &gt;</div>
<div class="line"><a name="l00070"></a><span class="lineno">   70</span>&#160;<span class="preprocessor">#ifndef DOXYGEN_SKIP_PROPERTY</span></div>
<div class="line"><a name="l00071"></a><span class="lineno">   71</span>&#160;        RESUMEF_REQUIRES(std::is_constructible_v&lt;_Ty, U&amp;&amp;&gt;)</div>
<div class="line"><a name="l00072"></a><span class="lineno">   72</span>&#160;<span class="preprocessor">#endif  //DOXYGEN_SKIP_PROPERTY</span></div>
<div class="line"><a name="l00073"></a><span class="lineno">   73</span>&#160;        write_awaiter operator &lt;&lt; (U&amp;&amp; val) <span class="keyword">const</span> noexcept(std::is_move_constructible_v&lt;U&gt;);</div>
<div class="line"><a name="l00074"></a><span class="lineno">   74</span>&#160; </div>
<div class="line"><a name="l00082"></a><span class="lineno">   82</span>&#160;        <span class="keyword">template</span>&lt;<span class="keyword">class </span>U</div>
<div class="line"><a name="l00083"></a><span class="lineno">   83</span>&#160;<span class="preprocessor">#ifndef DOXYGEN_SKIP_PROPERTY</span></div>
<div class="line"><a name="l00084"></a><span class="lineno">   84</span>&#160;            COMMA_RESUMEF_ENABLE_IF(std::is_constructible_v&lt;_Ty, U&amp;&amp;&gt;)</div>
<div class="line"><a name="l00085"></a><span class="lineno">   85</span>&#160;<span class="preprocessor">#endif  //DOXYGEN_SKIP_PROPERTY</span></div>
<div class="line"><a name="l00086"></a><span class="lineno">   86</span>&#160;        &gt;</div>
<div class="line"><a name="l00087"></a><span class="lineno">   87</span>&#160;<span class="preprocessor">#ifndef DOXYGEN_SKIP_PROPERTY</span></div>
<div class="line"><a name="l00088"></a><span class="lineno">   88</span>&#160;        RESUMEF_REQUIRES(std::is_constructible_v&lt;_Ty, U&amp;&amp;&gt;)</div>
<div class="line"><a name="l00089"></a><span class="lineno">   89</span>&#160;<span class="preprocessor">#endif  //DOXYGEN_SKIP_PROPERTY</span></div>
<div class="line"><a name="l00090"></a><span class="lineno">   90</span>&#160;        write_awaiter write(U&amp;&amp; val) <span class="keyword">const</span> noexcept(std::is_move_constructible_v&lt;U&gt;);</div>
<div class="line"><a name="l00091"></a><span class="lineno">   91</span>&#160; </div>
<div class="line"><a name="l00092"></a><span class="lineno">   92</span>&#160; </div>
<div class="line"><a name="l00093"></a><span class="lineno">   93</span>&#160;<span class="preprocessor">#ifndef DOXYGEN_SKIP_PROPERTY</span></div>
<div class="line"><a name="l00094"></a><span class="lineno">   94</span>&#160;        <span class="keyword">using</span> value_type = _Ty;</div>
<div class="line"><a name="l00095"></a><span class="lineno">   95</span>&#160; </div>
<div class="line"><a name="l00096"></a><span class="lineno">   96</span>&#160;        <span class="keyword">static</span> constexpr <span class="keywordtype">bool</span> use_optional = _Optional;</div>
<div class="line"><a name="l00097"></a><span class="lineno">   97</span>&#160;        <span class="keyword">static</span> constexpr <span class="keywordtype">bool</span> optimization_for_multithreading = _OptimizationThread;</div>
<div class="line"><a name="l00098"></a><span class="lineno">   98</span>&#160; </div>
<div class="line"><a name="l00099"></a><span class="lineno">   99</span>&#160;        <span class="keyword">using</span> optional_type = std::conditional_t&lt;use_optional, std::optional&lt;value_type&gt;, value_type&gt;;</div>
<div class="line"><a name="l00100"></a><span class="lineno">  100</span>&#160;        <span class="keyword">using</span> channel_type = detail::channel_impl_v2&lt;value_type, use_optional&gt;;</div>
<div class="line"><a name="l00101"></a><span class="lineno">  101</span>&#160;        <span class="keyword">using</span> lock_type = <span class="keyword">typename</span> channel_type::lock_type;</div>
<div class="line"><a name="l00102"></a><span class="lineno">  102</span>&#160; </div>
<div class="line"><a name="l00103"></a><span class="lineno">  103</span>&#160;        <a class="code" href="structresumef_1_1channel__t.html">channel_t</a>(<span class="keyword">const</span> <a class="code" href="structresumef_1_1channel__t.html">channel_t</a>&amp;) = <span class="keywordflow">default</span>;</div>
<div class="line"><a name="l00104"></a><span class="lineno">  104</span>&#160;        <a class="code" href="structresumef_1_1channel__t.html">channel_t</a>(<a class="code" href="structresumef_1_1channel__t.html">channel_t</a>&amp;&amp;) = <span class="keywordflow">default</span>;</div>
<div class="line"><a name="l00105"></a><span class="lineno">  105</span>&#160;        <a class="code" href="structresumef_1_1channel__t.html">channel_t</a>&amp; operator = (<span class="keyword">const</span> <a class="code" href="structresumef_1_1channel__t.html">channel_t</a>&amp;) = <span class="keywordflow">default</span>;</div>
<div class="line"><a name="l00106"></a><span class="lineno">  106</span>&#160;        <a class="code" href="structresumef_1_1channel__t.html">channel_t</a>&amp; operator = (<a class="code" href="structresumef_1_1channel__t.html">channel_t</a>&amp;&amp;) = <span class="keywordflow">default</span>;</div>
<div class="line"><a name="l00107"></a><span class="lineno">  107</span>&#160;    <span class="keyword">private</span>:</div>
<div class="line"><a name="l00108"></a><span class="lineno">  108</span>&#160;        std::shared_ptr&lt;channel_type&gt; _chan;</div>
<div class="line"><a name="l00109"></a><span class="lineno">  109</span>&#160;<span class="preprocessor">#endif  //DOXYGEN_SKIP_PROPERTY</span></div>
<div class="line"><a name="l00110"></a><span class="lineno">  110</span>&#160;    };</div>
<div class="line"><a name="l00111"></a><span class="lineno">  111</span>&#160; </div>
<div class="line"><a name="l00112"></a><span class="lineno">  112</span>&#160; </div>
<div class="line"><a name="l00113"></a><span class="lineno">  113</span>&#160;<span class="preprocessor">#ifndef DOXYGEN_SKIP_PROPERTY</span></div>
<div class="line"><a name="l00114"></a><span class="lineno">  114</span>&#160;    <span class="comment">//不支持channel_t&lt;void&gt;</span></div>
<div class="line"><a name="l00115"></a><span class="lineno">  115</span>&#160;    <span class="keyword">template</span>&lt;<span class="keywordtype">bool</span> _Option, <span class="keywordtype">bool</span> _OptimizationThread&gt;</div>
<div class="line"><a name="l00116"></a><span class="lineno">  116</span>&#160;    <span class="keyword">struct </span><a class="code" href="structresumef_1_1channel__t.html">channel_t</a>&lt;void, _Option, _OptimizationThread&gt;</div>
<div class="line"><a name="l00117"></a><span class="lineno">  117</span>&#160;    {</div>
<div class="line"><a name="l00118"></a><span class="lineno">  118</span>&#160;    };</div>
<div class="line"><a name="l00119"></a><span class="lineno">  119</span>&#160;<span class="preprocessor">#endif  //DOXYGEN_SKIP_PROPERTY</span></div>
<div class="line"><a name="l00120"></a><span class="lineno">  120</span>&#160; </div>
<div class="line"><a name="l00124"></a><span class="lineno">  124</span>&#160;    <span class="keyword">using</span> semaphore_t = channel_t&lt;bool, false, true&gt;;</div>
<div class="line"><a name="l00125"></a><span class="lineno">  125</span>&#160; </div>
<div class="line"><a name="l00126"></a><span class="lineno">  126</span>&#160;}   <span class="comment">//namespace channel_v2</span></div>
<div class="line"><a name="l00127"></a><span class="lineno">  127</span>&#160;}   <span class="comment">//namespace resumef</span></div>
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<div class="ttc" id="astructresumef_1_1channel__t_html"><div class="ttname"><a href="structresumef_1_1channel__t.html">resumef::channel_t</a></div><div class="ttdoc">可传递数据的模板信号量。</div><div class="ttdef"><b>Definition:</b> channel_v2.h:25</div></div>
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